New test driver with modified transfer

test_driver_2.py

@@ -0,0 +1,81 @@
+#%%
+
+from resdb_driver import Resdb
+
+db_root_url = "http://127.0.0.1:18000"
+
+db = Resdb(db_root_url)
+from resdb_driver.crypto import generate_keypair
+
+alice, bob = generate_keypair(), generate_keypair()
+#%%
+
+# create a digital asset for Alice
+game_boy_token = {
+    "data": {
+        "token_for": {"game_boy": {"serial_number": "LR35902"}},
+        "description": "Time share token. Each token equals one hour of usage.",
+    },
+}
+
+#%%
+
+# prepare the transaction with the digital asset and issue 10 tokens for Bob
+prepared_token_tx = db.transactions.prepare(
+    operation="CREATE",
+    signers=alice.public_key,
+    recipients=[([bob.public_key], 10)],
+    asset=game_boy_token,
+)
+
+#%%
+# fulfill the tnx
+fulfilled_token_tx = db.transactions.fulfill(
+    prepared_token_tx, private_keys=alice.private_key
+)
+
+#%%
+db.transactions.send_commit(fulfilled_token_tx)
+
+#%%
+transfer_asset = {"id": fulfilled_token_tx["id"]}
+output_index = 0
+output = fulfilled_token_tx["outputs"][output_index]
+transfer_input = {
+    "fulfillment": output["condition"]["details"],
+    "fulfills": {"output_index": output_index, "transaction_id": transfer_asset["id"]},
+    "owners_before": output["public_keys"],
+}
+
+#%%
+
+# Bob transfers 5 tokens to Alice, and is left with 5 tokens
+# The sums of amounts in recipients must match the input amount (10)
+prepared_transfer_tx = db.transactions.prepare(
+    operation="TRANSFER",
+    asset=transfer_asset,
+    inputs=transfer_input,
+    recipients=[([alice.public_key], 5), ([bob.public_key], 5)],
+)
+
+#%%
+
+fulfilled_transfer_tx = db.transactions.fulfill(
+    prepared_transfer_tx, private_keys=bob.private_key
+)
+
+#%%
+
+sent_transfer_tx = db.transactions.send_commit(fulfilled_transfer_tx)
+
+
+# %%
+## replace `testId` with the txid for the transaction to retrieve
+db.transactions.retrieve(txid=sent_transfer_tx)
+
+#%%
+# TODO valide a tx object
+# from resdb_driver.validate import Transaction
+
+# t = Transaction.from_dict(fulfilled_token_tx)
+# t.validate()